Why did the writer complain to the people behind h

发布时间:2021-02-22 14:25:38

Why did the writer plain to the people behind him?作者是第三人称plain怎么不用复数

网友回答

看时态,这是一般过去时,前面不是有了did吗?
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供参考答案1:
疑问句需要用复数么?
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